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Finding the Fourth Proportional to 115,037.46, 158,752.98 and 64,736.46

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Solution

The fourth proportional to 115,037.46, 158,752.98 and 64,736.46 is: 89,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037.46 : 158,752.98 = 64,736.46 : x
  2. Step 2: Convert to fraction form
    115,037.46/158,752.98 = 64,736.46/x
  3. Step 3: Cross multiply
    115,037.46x = 158,752.98 × 64,736.46
  4. Step 4: Simplify right side
    115,037.46x = 10,277,105,939.65
  5. Step 5: Solve for x
    x = 10,277,105,939.65/115,037.46
  6. Step 6: Final answer
    x = 89,337.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.